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Display of the human mucinome with defined O-glycans by gene engineered cells

Abstract : Abstract Mucins are a large family of heavily O-glycosylated proteins that cover all mucosal surfaces and constitute the major macromolecules in most body fluids. Mucins are primarily defined by their variable tandem repeat (TR) domains that are densely decorated with different O-glycan structures in distinct patterns, and these arguably convey much of the informational content of mucins. Here, we develop a cell-based platform for the display and production of human TR O-glycodomains (~200 amino acids) with tunable structures and patterns of O-glycans using membrane-bound and secreted reporters expressed in glycoengineered HEK293 cells. Availability of defined mucin TR O-glycodomains advances experimental studies into the versatile role of mucins at the interface with pathogenic microorganisms and the microbiome, and sparks new strategies for molecular dissection of specific roles of adhesins, glycoside hydrolases, glycopeptidases, viruses and other interactions with mucin TRs as highlighted by examples.
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https://hal.archives-ouvertes.fr/hal-03524039
Contributor : Fabien DURBESSON Connect in order to contact the contributor
Submitted on : Thursday, January 13, 2022 - 8:29:11 AM
Last modification on : Tuesday, May 17, 2022 - 7:40:11 AM

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Rebecca Nason, Christian Büll, Andriana Konstantinidi, Lingbo Sun, Zilu ye, et al.. Display of the human mucinome with defined O-glycans by gene engineered cells. Nature Communications, Nature Publishing Group, 2021, 12 (1), pp.4070. ⟨10.1038/s41467-021-24366-4⟩. ⟨hal-03524039⟩

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